Lamp for btjbfltflsrg fluids



Imam, Z071 MM M entran stares @WWE .i SALMON BIDWELL, OF ROCHESIF-ER,`NEV YURK LAMP FOR BURNIG FLUIDS.

Specification of Letters Patent No.

To all'wtom t may concern.' Be it known that I, SALMON BIDWELL, of thecity of Rochester, in the county' of Monroe and State of New York, haveinvented a new and Improved Mode of Burning Fluids for Lamp Purposes;and I do hereby declare that the following is a full and eXactdescription thereof, reference being had to the accompanying drawingsand to the letters of reference marked thereon.

The nature of my invention consists in so compressing the wick of thelamp by the means hereinafter described that the fluid cannot escapefaster than is desired and so as to prevent the sudden flash, depressionand unsteadiness of the light and to regulate the amount of such light.

To enable others skilled in the art to make and use my invention I willproceed to describe its construction and operation.

I construct a tube of any desirable metal and of any convenient sizeopen at both ends the upper end being beveled out near the top sothatvthe mouth is a little larger than the rest of the tube; which tubefor convenience I shall call the outside barrel and it is stationary. Ithen construct another tube a little shorter than the first and as muchsmaller in circumference as convenient and of uniform size throughoutwhich for convenience I shall call the inside barrel. I then construct aburner of any convenient kind of metal roundin form and wedging the baseor greater circumference being at the top into the bottom of which Iinsert another tube and rivet them together or fasten them in any othersuitable manner. The burner at the top is then perforated with holesvertically through the head thereof which holes open into the spacebetween the burner and the tube inserted into the same as aforesaid.This tube thus inserted at its lower end is a screw on its outer surfaceor is a male screw. Attached to such male screw by means of a femalescrew is a thumb plate by which the screw can be turned, and above whichencircling the end of the female screw is a swivel, on shoulder ofwhichthe outside barrel rests upon said thumb plate. I then construct acommon ferrule of tin or other metal. The thumb 15,724; dated September9, 1856.

\ screw in a burner for use should be solderedV fast at its place.

I willnow procee'drto describe the manner of puttingthe whole togetherwith the wick adjusted' for use.` 'Iake the thumb plate to which isattached" ther female screw and place` the' thumb plate downward-then insert the female screw into the inside barrel-then insert the insidebarrel into the ferrule-then insert the whole into the outsidebarrel-then insert the male screw attached to the burner down throughthe whole and into the female screw. Upon the top of the outside barrelI place the chimney holder, at the bottom of which is an incline planeresting u on a pivot, the raising and lowering of w ich at onceregulates the length o-f the wick flame. The wick in this form of burnershould be a round hollow wick surrounding the inside barrel and outsidethe tin ferrule.

In Figure l in the accompanying drawings I am unable to point out theparts because they are covered by the outside barrelwith the exceptionof t-he chimney holder and the set screw to the same.

In Fig. 2 A represents the outside barrel, B a section of the burner, Cthe locality of the ferrule, d the locality of the wick, E the malescrew, F the female screw, G the swivel, H the thumb plate, I thechimney holder and incline plane attached thereto.

The wick should come up around" the burner head and a little above it.The uid is supplied by an opening at any convenient place in the outsidebarrel where it immedi* ately comes in contact with the wick. Theferrule may be used or not but is convenient inside and next to the wickto keep it properly in its place.

When the lamp is in use the fluid follows up 'the wick to the blaze andif a very volatile fluid the heat of the tubes will generate gas whichmay escape through the orifices made in the burner head where it isconsumed.

The chief object and benefit of my invention is so to compress the wickby a convenient power of sufHcient force to prevent the escape in toogreat quantities of volatile and the height of the uids, such as theburning fluid and at the same time to secure a steady flame whichrequires a great compression of the Wick. Every jar or movement of alamp containing a very volatile fluid Will cause a sudden flash of lightand a subsequent depression of' the same unless such a compression bemade.

The head of the burner being an inclined plane of conical form drawndown by the screws aforesaid is capable of great compression and by itsuse the most desirable burning fluids can be used for lamp purpose Whichhave been impracticable and impossible in other lamps. The generationand consumption of gas too from fluids thus used makes most brilliantlight Which mingles With the light from the Wick. By

the use of the screws the compression is effooted and by the use of thechimney holder and inclined plane the length of the Wick is adjusted.

What I claim as my invention and desire to secure by Letters Patent is fThe mode of compressing the Wick in the manner as herein described so asto prevent any change in the light caused by the jar of the lamp and toprevent the escape of the burning fluid faster than is desired and tosecure the gas generated from the same and to enable the use of anydesirable fluid for lamp purposes.

SALMON BIDVELL.

Witnesses:

D. CAMERON, P. M. CRANDALL.

